Testing Medusa: What to Test, What to Skip, and How
Commerce code moves money, so untested checkout logic is a liability. A pragmatic test strategy — what earns its keep, and what is theatre.
[ TAG / DEVOPS ]
DevOps articles
Articles tagged DevOps — hands-on notes from the commerce builds we ship.
Observability for Medusa: Logs, Traces and the Alerts Worth Having
Self-hosting means owning the question 'is checkout working?'. Structured logging, tracing, the four metrics that matter and alerts that do not cry wolf.
Caching Medusa: What to Cache, Where, and What Never To
Four cache layers, one rule about carts, and the invalidation strategy that stops a price change taking twelve hours to appear.
Scaling Medusa: What Breaks First and How to Fix It
Traffic does not break Medusa — the database does, then the workers, then the catalog queries. The bottlenecks in the order you will meet them.
Deploying Medusa on AWS: ECS, RDS and the Parts That Bite
A production AWS architecture for Medusa — ECS Fargate, RDS, ElastiCache, S3 — plus the networking and migration details that turn a two-day job into a two-week one.
Deploying Medusa on Railway: The Fastest Production Setup
Railway is the shortest path from a Medusa repository to a production deployment that is actually correct. The full setup, including the worker service everyone forgets.
Dockerising Medusa: A Production Image That Is Not 2GB
A multi-stage Dockerfile for Medusa v2, a compose file for local development, and the build-memory problem that catches every team once.
Medusa Environment Variables and Configuration, Done Properly
Every variable Medusa reads, which ones are security-critical, and how to structure configuration so a missing value fails at boot instead of at checkout.
Medusa Database Migrations: Generating, Reviewing and Deploying Safely
Generated migrations are only as safe as your review of them. How Medusa migrations work, and the expand-and-contract pattern that keeps rolling deploys from failing.
Deploying Medusa to Production: Architecture, Checklist and Pitfalls
What a production Medusa deployment actually needs — process separation, Redis, migrations, health checks — and the four mistakes that cause the first outage.